US11607974B2 - Power slide with motor directly connected to lead screw - Google Patents

Power slide with motor directly connected to lead screw Download PDF

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Publication number
US11607974B2
US11607974B2 US17/271,607 US201917271607A US11607974B2 US 11607974 B2 US11607974 B2 US 11607974B2 US 201917271607 A US201917271607 A US 201917271607A US 11607974 B2 US11607974 B2 US 11607974B2
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US
United States
Prior art keywords
lead screw
motor
power
slide
top rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US17/271,607
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English (en)
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US20210339655A1 (en
Inventor
Chuan Wang
Hongbin NI
Zhenyi Tang
Hongyu Wang
Xiaoming Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keiper Seating Mechanisms Co Ltd
Original Assignee
Keiper Seating Mechanisms Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Keiper Seating Mechanisms Co Ltd filed Critical Keiper Seating Mechanisms Co Ltd
Assigned to Keiper Seating Mechanisms Co., Ltd. reassignment Keiper Seating Mechanisms Co., Ltd. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NI, Hongbin, TANG, Zhenyi, WANG, CHUAN, WANG, HONGYU, ZHANG, XIAOMING
Publication of US20210339655A1 publication Critical patent/US20210339655A1/en
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Publication of US11607974B2 publication Critical patent/US11607974B2/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/067—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable by linear actuators, e.g. linear screw mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B60N2/02258—Electric motors therefor characterised by the mounting of the electric motor for adjusting the seat
    • B60N2/0232—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0722—Constructive details
    • B60N2002/024—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2205/00—General mechanical or structural details
    • B60N2205/20—Measures for elimination or compensation of play or backlash
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/204—Axial sliding means, i.e. for rotary support and axial guiding of nut or screw shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2075—Coaxial drive motors

Definitions

  • the invention relates to the technical field of vehicle seat slides, in particular to a power slide with a motor directly connected to a lead screw.
  • Both the front power slides and the middle power slides are composed of a motor ( 1 a ), a motor bracket ( 2 a ), a flexible shaft assembly ( 3 a ), a left slide ( 4 a ) and a right slide ( 5 a ).
  • the existing power slides have the following defects. Neither the front power slides nor the middle power slides can meet requirements in future more complicated power car body environments (due to the interference between the motor bracket and the car body or car components).
  • the length of the motor bracket ( 2 a ) has to be designed to match different car bodies, and the modular capacity and the universality are poor.
  • the motor bracket ( 2 a ) may be touched by passengers or drivers, so that the stability is poor.
  • the main objective of the invention is to solve the technical problems of the prior art by providing a power slide with a motor directly connected to a lead screw, which can adapt to more complicated power car environments and has good universality and stability.
  • a bottom portion of the threaded assembly is fixedly connected to an upper surface of the bottom rail, and the lead screw horizontally penetrates through the threaded assembly and is in threaded fit with the threaded assembly.
  • the retainer ring is fixed to the end, close to the power motor, of the lead screw and is located in the first slot. A gap is formed between the retainer ring and the first slot.
  • the motor bracket is fixedly connected to the lower surface of the top rail through a first bolt.
  • the power slide further includes a rear bracket fixed in the second slot, a central hole is formed in the rear bracket, and an integrally-formed unthreaded shaft is arranged at the other end of the lead screw and is matched with the central hole.
  • the threaded assembly is fixedly connected to the bottom rail through a second bolt.
  • the lead screw and a rotor shaft of the power motor are integrally formed.
  • the invention has the following beneficial effects.
  • the power motor drives the lead screw to rotate through the coupling
  • the lead screw is matched with the middle threaded assembly to convert the rotational motion of the lead screw into the linear motion of the bottom rail
  • the power motor is connected to the top rail through the motor bracket and is fixed with respect to the top rail, so that the rotational motion of the lead screw is converted into the relative linear motion between the top rail and the bottom rail, and thus, an adjustment of the relative positions of the top rail and the bottom rail is realized.
  • Parts such as a flexible shaft are omitted, and the number of parts is reduced, so the power slide can adapt to more complicated power car environments and has increased universality and stability.
  • FIG. 1 is a structural diagram of a front power slide in the prior art
  • FIG. 2 is a structural diagram of a middle power slide in the prior art
  • FIG. 3 is a structural diagram of a power slide with a motor directly connected to a lead screw according to the invention
  • FIG. 4 is a sectional view of the power slide with a motor directly connected to a lead screw according to the invention
  • FIG. 5 is an exploded view of the power slide with a motor directly connected to a lead screw according to the invention
  • FIG. 6 is a structural diagram of a first slot of the power slide with a motor directly connected to a lead screw according to the invention
  • FIG. 8 is a structural diagram of a power slide with a motor directly connected to a lead screw in another embodiment of the invention.
  • FIG. 9 is a structural diagram of a lead screw and a power motor, which are formed integrally, of the power slide with a motor directly connected to a lead screw according to the invention.
  • the invention provides a power slide with a motor directly connected to a lead screw.
  • the power slide includes a left slide 1 and a right slide 2 .
  • the left slide 1 and the right slide 2 each comprise a top rail 11 , a bottom rail, a power motor 15 , a lead screw 16 , a threaded assembly 18 and a retainer ring 19 .
  • the invention provides a novel power slide with a motor directly connected to a lead screw.
  • the power slide includes a left slide 1 and a right slide 2 .
  • the left slide 1 and the right slide 2 each comprise:
  • the top rail 11 is arranged above the bottom rail 12 and is slidably connected to the bottom rail 12 , and a first slot 13 and a second slot 14 are formed at two ends of the top rail 11 , respectively.
  • the power motor 15 is fixed to a lower surface of the top rail 11 through a motor bracket 114 .
  • the lead screw 16 is arranged above the bottom rail 12 in parallel. One end of the lead screw 16 is connected to the power motor 15 , and the other end of the lead screw 16 is rotatably fixed to the lower surface of the top rail 11 . Or, one end of the lead screw 16 is connected to the power motor 15 through a coupling 17 .
  • a bottom portion of the threaded assembly 18 is fixedly connected to the upper surface of the bottom rail 12 , and the lead screw 16 horizontally penetrates through the threaded assembly 18 and is in threaded fit with the threaded assembly 18 .
  • the power motor 15 drives the lead screw 16 to rotate through the coupling 17 , the lead screw 16 is matched with the middle threaded assembly 18 to convert the rotational motion of the lead screw 16 into the linear motion of the bottom rail 12 , and the power motor 15 is connected to the top rail 11 through the motor bracket 114 and is fixed with respect to the top rail 11 , so that the rotational motion of the lead screw 16 is converted into the relative linear motion between the top rail 11 and the bottom rail 12 , and thus, an adjustment of the relative positions of the top rail 11 and the bottom rail 12 is realized.
  • Parts such as a flexible shaft are omitted, and the number of parts is reduced, so the power slide can adapt to more complicated power car environments and has increased universality and stability.
  • a rubber part 21 is arranged between the power motor 15 and the motor bracket 114 and is disposed around an outer surface of the power motor 15 .
  • the rubber part 21 can effectively prevent the resonance between the power motor 15 and the top rail 11 , thus lowering noises.
  • the motor bracket 114 is connected and fixed to the lower surface of the top rail 11 through first bolts 113 .
  • the power slide of the invention further comprises a rear bracket 110 fixed in the second slot 14 .
  • a central hole 111 is formed in the rear bracket 110 , and an integrally-formed unthreaded shaft 112 is arranged at the other end of the lead screw 16 and is matched with the central hole 111 .
  • the unthreaded shaft 112 and the central hole 111 are mainly used to support the lead screw 16 to rotate.
  • the threaded assembly 18 is fixedly connected to the bottom rail 12 through second bolts 115 .
  • the top rail 11 when subject to a front or back longitudinal force (parallel to the top rail), the top rail 11 transmits the force to the power motor 15 through the motor bracket 114 , the power motor 15 transmits the force to the lead screw 16 through the coupling 17 , and the longitudinal force will cause longitudinal displacement of the bottom rail 12 because of the self-locking performance realized by threaded connection of the lead screw 16 and the threaded assembly 18 , so that the top rail 11 and the bottom rail 12 are locked relatively.
  • the lead screw 16 and a rotor shaft of the power motor 15 are integrally formed.
  • the power motor 15 drives the rotor shaft, namely the lead screw 16 , to rotate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Transmission Devices (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
US17/271,607 2018-08-28 2019-08-19 Power slide with motor directly connected to lead screw Active 2040-01-29 US11607974B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201810986307.1A CN109080508B (zh) 2018-08-28 2018-08-28 一种马达直连丝杆电动滑轨
CN201810986307.1 2018-08-28
PCT/CN2019/101332 WO2020042947A1 (zh) 2018-08-28 2019-08-19 一种新型马达直连丝杆电动滑轨

Publications (2)

Publication Number Publication Date
US20210339655A1 US20210339655A1 (en) 2021-11-04
US11607974B2 true US11607974B2 (en) 2023-03-21

Family

ID=64794891

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/271,607 Active 2040-01-29 US11607974B2 (en) 2018-08-28 2019-08-19 Power slide with motor directly connected to lead screw

Country Status (6)

Country Link
US (1) US11607974B2 (zh)
EP (1) EP3845410B1 (zh)
JP (1) JP7262570B2 (zh)
KR (1) KR102526792B1 (zh)
CN (1) CN109080508B (zh)
WO (1) WO2020042947A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109080508B (zh) * 2018-08-28 2020-04-07 延锋安道拓座椅机械部件有限公司 一种马达直连丝杆电动滑轨
US11027627B2 (en) * 2019-06-14 2021-06-08 GM Global Technology Operations LLC Adjustment mechanism for a power seat
JP7518030B2 (ja) * 2021-03-29 2024-07-17 株式会社Tf-Metal ギヤボックス機構及び当該ギヤボックス機構を備えるシートスライド装置
DE102021119681A1 (de) 2021-07-29 2023-02-02 Adient Us Llc Längseinsteller für einen fahrzeugsitz, sowie fahrzeugsitz
DE102022211556A1 (de) * 2022-11-01 2024-05-02 Adient Us Llc Längseinsteller für einen Fahrzeugsitz sowie Fahrzeugsitz

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US20090243326A1 (en) * 2008-03-31 2009-10-01 Fuji Kiko Co., Ltd. Electrically operated seat slide apparatus
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US8523263B2 (en) * 2008-06-24 2013-09-03 Shiroki Corporation Power slide device for vehicle seat
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CN109080508A (zh) 2018-08-28 2018-12-25 延锋安道拓座椅机械部件有限公司 一种新型马达直连丝杆电动滑轨
US10220730B2 (en) * 2016-07-29 2019-03-05 Aisin Seiki Kabushiki Kaisha Vehicle seat sliding device
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US20190381915A1 (en) * 2016-11-28 2019-12-19 Shiroki Corporation Power seat slide device
US20210394646A1 (en) * 2018-10-29 2021-12-23 Ts Tech Co., Ltd. Adjusting Device of Front and Rear Positions of Seat
US11273506B2 (en) * 2016-09-08 2022-03-15 Fisher & Company, Incorporated Open architecture power length adjuster assembly for a vehicle seat and method of manufacturing the same
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US10220730B2 (en) * 2016-07-29 2019-03-05 Aisin Seiki Kabushiki Kaisha Vehicle seat sliding device
US10486554B2 (en) * 2016-09-08 2019-11-26 Fisher & Company, Inc. Power seat length adjuster assembly and method of manufacture
US11273506B2 (en) * 2016-09-08 2022-03-15 Fisher & Company, Incorporated Open architecture power length adjuster assembly for a vehicle seat and method of manufacturing the same
US20190381915A1 (en) * 2016-11-28 2019-12-19 Shiroki Corporation Power seat slide device
CN109080508A (zh) 2018-08-28 2018-12-25 延锋安道拓座椅机械部件有限公司 一种新型马达直连丝杆电动滑轨
US11400835B2 (en) * 2018-08-28 2022-08-02 Keiper Seating Mechanisms Co., Ltd. Power slide
US20210394646A1 (en) * 2018-10-29 2021-12-23 Ts Tech Co., Ltd. Adjusting Device of Front and Rear Positions of Seat
US11299070B2 (en) * 2019-08-28 2022-04-12 Tf-Metal Co., Ltd. Electric seat slide device

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Also Published As

Publication number Publication date
EP3845410B1 (en) 2023-03-15
EP3845410A1 (en) 2021-07-07
CN109080508B (zh) 2020-04-07
KR102526792B1 (ko) 2023-04-27
KR20210046686A (ko) 2021-04-28
JP2021535860A (ja) 2021-12-23
CN109080508A (zh) 2018-12-25
US20210339655A1 (en) 2021-11-04
WO2020042947A1 (zh) 2020-03-05
EP3845410A4 (en) 2021-10-20
JP7262570B2 (ja) 2023-04-21

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